1, user type difference: easy to control, suitable for non-professionals, such as beginners or people who occasionally use this product, who pay little attention to the technical details in this field and have no professional knowledge, skills or experience. Pro is suitable for professionals, with professional knowledge, skills and experience, engaged in professional work or activities, and has a high understanding and demand for technical details and advanced functions.

2. Video region design: The asymmetric nasal myopia region enlargement technology is easy to control, which conforms to the physiological characteristics of China children's "long-term close eye use" and "eyeball adduction" and provides comfort and prevention and control effects. Easy Pro adopts ray tracing technology and asymmetric "shell-shaped" design in the visual area design, so as to adapt to the habit of "more horizontal visual field switching and less upper and lower visual field switching" of Chinese children, so that children can quickly adapt to lenses and are willing to wear them for a long time.